libdvdnav's configure.ac[1] has this: PKG_CHECK_MODULES([DVDREAD], [dvdread >= 5.0.2]) The Gentoo ebuild[2], conversely, has: RDEPEND=">=media-libs/libdvdread-5.0.0[${MULTILIB_USEDEP}] abi_x86_32? ( !<=app-emulation/emul-linux-x86-medialibs-20130224-r4 !app-emulation/emul-linux-x86-medialibs[-abi_x86_32(-)] )" DEPEND="${RDEPEND} virtual/pkgconfig" # To get pkg.m4 for eautoreconf #414391 The libdvdread dependency should be updated to: >=media-libs/libdvdread-5.0.2[${MULTILIB_USEDEP}] 1: http://git.videolan.org/?p=libdvdnav.git;a=blob;f=configure.ac;hb=refs/tags/5.0.3#l100 2: http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/media-libs/libdvdnav/libdvdnav-5.0.3.ebuild?revision=1.1
Done. Thanks for reporting!